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GTR1000D / GTR2000D / GTR3000D
D CLASS 1 CHANNEL AMPLIFIER APPLICATION
Basic application
These sub bass amplifiers can be used in any of the bi-amplification systems described in
this manual, replacing the 2 channel amplifiers as per the illustrations.
Interconnect cable checklist:
Connect the inputs to a suitable source, e.g. a head unit with good quality RCA cables.
Connect the LINE OUT to the inputs of the system highs amplifier.
Use at least #12 gauge speaker wiring. The amps have dual speaker terminals,
simplifying the hookup of multiple speakers. These amps are mono, 1 channel, amplifiers
which have multiple positive and negative connections for ease of wiring. The 2 positives
are the same internally and the 2 negatives are the same internally.
MI N MA X X
DESIGNATED
MONO OUTPUT
FROM HEAD UNIT
6
POWER INPUT
GND
REM BATT+12V
FULL RANGE
STEREO LINE INPUT
NOT USED
Note: You can use the Radio/CD designated mono line output or a full range stereo line output.
For full range stereo line output, you will need an optional "Y-Adaptor" as shown.
Crossover frequency control checklist:
LOW PASS: 40Hz to 150Hz
SUBSONIC:15 Hz to 55 Hz
BASS EQ: 0 to +9dB
Level control checklist:
Refer to the section "Setting up systems after installation for best performance"
Minimum final loudspeaker impedance:
GTR1000D & GTR2000D = 2-Ohms
GTR3000D = 1-Ohm
FUSE
SPEAKER OUTPUT
+
+
-
-
Y-ADAPTOR
MONO
SUBWOOFER
TO BATTERY +12v
VIA FUSE
REMOTE TURN-ON
CHASSIS GROUND
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